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| Class D Switching Power Amplifiers and Power D/A conversion |
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#1 |
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diyAudio Member
Join Date: May 2007
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im new at this site, and im not sure if this topic falls under Class D. I have a 15" kicker subs that i want to plug in to an amplifier so that i can run it at my room using 220v power plug.. i hope you guys can help me thanks.
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#2 |
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Banned
Join Date: Nov 2004
Location: Paris
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Hello, Slamdunk
Do you want to design the amplifier circuit and PSU yourself, or do you want an amplifier module and PSU? |
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#3 |
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diyAudio Member
Join Date: May 2007
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i cant design... how about a ready schematic and ill try to follow it will that work?
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#4 |
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diyAudio Member
Join Date: Nov 2002
Location: currently in China
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yes you can, might be a bit hard though , have you made any amplifier kit before ? I think quite plenty is available in phillipine
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#5 |
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diyAudio Member
Join Date: May 2007
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how about for beginners that wants to make an amp that will run 600 watts at 2ohms ... where can i find a schematics? or what do i need, i want to try making one... i never build an amp before
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#6 |
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diyAudio Member
Join Date: Nov 2002
Location: currently in China
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600 watts at 2 ohm is pretty formidable project, especially if Class D. and switching supplies.
for beginner better not make anything larger than 100 watt first. and using 2 ohm load you will waste a lot of power in the cable, connector resistance, etc, also the amp will have hard time driving it. does the subwoofer have 2 x 4 ohm voice coil ? better solution is to drive it in series to become 8 ohm. or using 2 amplifier to drive each voice coil. there are many schematic, the problem is , if not done correctly, and the amp/speaker is damaged........... well we wouldn't want that to happen right ? do you have oscilloscope and multimeter ? we can take it step by step here, I'm sure plenty of people here would have many suggestions. anybody have simple amplifier plan for Slamdunk ?? |
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#7 |
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diyAudio Member
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I have modded P68 from www.sound.au.com with 50V rails and ten pairs of MJ15003/4 devices. can drive about 500wrms into 2ohms
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#8 |
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diyAudio Member
Join Date: Nov 2002
Location: currently in China
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Thanks for the info djQUAN (lechon lechon lechon
)I'm having trouble accessing that page I believe this is the same website with the same project : http://sound.westhost.com/project68.htm if you look down on the article..... down in the middle..... there's this red colored sentence that says : DO NOT ATTEMPT THIS AMPLIFIER AS YOUR FIRST PROJECT was it simple to build and measure for beginner ? |
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#9 |
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diyAudio Member
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that was because the amp deals with high power and high voltage supplies. the reader will build it at his/her own risk I won't be held responsible for whatever happens to him/her or what happens to the equipment.
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#10 |
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diyAudio Member
Join Date: Nov 2002
Location: currently in China
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yes true
I would be very concerned if any beginner is making 600 watt amps. |
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